Display device, electronic equipment, and manufacturing method of display device

Abstract

A display device of the present invention includes: a display panel having a light-transmitting region and a light-shielding region, and the light-shielding region disposed around the light-transmitting region; a polarizer disposed on the display panel, a first through-hole disposed on the polarizer, and the first through-hole disposed corresponding to the light-transmitting region; a backlight module disposed on the polarizer, a second through-hole disposed on the backlight module, and the second through-hole disposed corresponding to the light-transmitting region; and a light-shielding adhesive disposed around a wall of the second through-hole and extending to around a wall of the first through-hole.

What is claimed is: 
     
         1 . A display device, comprising:
 a display panel having a light-transmitting region and a light-shielding region, and the light-shielding region disposed around the light-transmitting region;   a polarizer disposed on the display panel, a first through-hole disposed on the polarizer, and the first through-hole disposed corresponding to the light-transmitting region;   a backlight module disposed on the polarizer, a second through-hole disposed on the backlight module, and the second through-hole disposed corresponding to the light-transmitting region; and   a light-shielding adhesive disposed around a wall of the second through-hole and extending to around a wall of the first through-hole.   
     
     
         2 . The display device as claimed in  claim 1 , wherein the display panel comprises an array substrate, a color film substrate, and a liquid crystal layer disposed between the array substrate and the color film substrate;
 the array substrate comprises a first base substrate and an array layer disposed on the first base substrate, and the color film substrate comprises a second base substrate and a color film layer disposed on the second base substrate;   a first opening is disposed on the array substrate, and the first opening is disposed corresponding to the light-transmitting region; and   a second opening is disposed on the color film substrate, and the second opening is disposed corresponding to the light-transmitting region.   
     
     
         3 . The display device as claimed in  claim 2 , wherein a light-shielding layer is disposed on a side of the first base substrate near the liquid crystal layer; and
 in a thickness direction perpendicular to the display panel, an orthographic projection of the light-shielding layer on the display panel coincides with the light-shielding region.   
     
     
         4 . The display device as claimed in  claim 3 , wherein in the thickness direction perpendicular to the display panel, the orthographic projection of the light-shielding layer on the display panel covers an orthographic projection of the light-shielding adhesive on the display panel. 
     
     
         5 . The display device as claimed in  claim 3 , wherein a material of the light-shielding layer is metal. 
     
     
         6 . The display device as claimed in  claim 4 , wherein a material of the light-shielding layer is metal. 
     
     
         7 . The display device as claimed in  claim 5 , wherein a first insulating layer is disposed on a side of the light-shielding layer near the liquid crystal layer, and/or a second insulating layer is disposed on a side of the light-shielding layer away from the liquid crystal layer. 
     
     
         8 . The display device as claimed in  claim 1 , wherein an alignment mark is disposed on the light-shielding region. 
     
     
         9 . The display device as claimed in  claim 1 , wherein a hole diameter of the first through-hole and a hole diameter of the second through-hole are greater than a hole diameter of the light-transmitting region; and
 the hole diameter of the first through-hole is greater than the hole diameter of the second through-hole.   
     
     
         10 . An electronic equipment comprising a display device, the display device comprising:
 a display panel having a light-transmitting region and a light-shielding region, and the light-shielding region disposed around the light-transmitting region;   a polarizer disposed on the display panel, a first through-hole disposed on the polarizer, and the first through-hole disposed corresponding to the light-transmitting region;   a backlight module disposed on the polarizer, a second through-hole disposed on the backlight module, and the second through-hole disposed corresponding to the light-transmitting region; and   a light-shielding adhesive disposed around a wall of the second through-hole and extending to around a wall of the first through-hole.   
     
     
         11 . The electronic equipment as claimed in  claim 10 , wherein the display panel comprises an array substrate, a color film substrate, and a liquid crystal layer disposed between the array substrate and the color film substrate;
 the array substrate comprises a first base substrate and an array layer disposed on the first base substrate, and the color film substrate comprises a second base substrate and a color film layer disposed on the second base substrate;   a first opening is disposed on the array substrate, and the first opening is disposed corresponding to the light-transmitting region; and   a second opening is disposed on the color film substrate, and the second opening is disposed corresponding to the light-transmitting region.   
     
     
         12 . The electronic equipment as claimed in  claim 11 , wherein a light-shielding layer is disposed on a side of the first base substrate near the liquid crystal layer; and
 in a thickness direction perpendicular to the display panel, an orthographic projection of the light-shielding layer on the display panel coincides with the light-shielding region.   
     
     
         13 . The electronic equipment as claimed in  claim 12 , wherein in the thickness direction perpendicular to the display panel, the orthographic projection of the light-shielding layer on the display panel covers an orthographic projection of the light-shielding adhesive on the display panel. 
     
     
         14 . The electronic equipment as claimed in  claim 12 , wherein a material of the light-shielding layer is metal. 
     
     
         15 . The electronic equipment as claimed in  claim 14 , wherein a first insulating layer is disposed on a side of the light-shielding layer near the liquid crystal layer, and/or a second insulating layer is disposed on a side of the light-shielding layer away from the liquid crystal layer. 
     
     
         16 . The electronic equipment as claimed in  claim 10 , wherein an alignment mark is disposed on the light-shielding region. 
     
     
         17 . The electronic equipment as claimed in  claim 10 , wherein a hole diameter of the first through-hole and a hole diameter of the second through-hole are greater than a hole diameter of the light-transmitting region. 
     
     
         18 . A manufacturing method of a display device, comprising:
 providing a display panel, the display panel has a light-transmitting region and a light-shielding region, and the light-shielding region is disposed around the light-transmitting region;   providing a polarizer, the polarizer is disposed on the display panel, a first through-hole is disposed on the polarizer, and the first through-hole is disposed corresponding to the light-transmitting region;   providing a backlight module, the backlight module is disposed on the polarizer, a second through-hole is disposed on the backlight module, and the second through-hole is disposed corresponding to the light-transmitting region;   aligning and assembling the display panel, the polarizer, and the backlight module; and   forming a light-shielding adhesive by a single dispensing process, the light-shielding adhesive is disposed around a wall of the second through-hole and extends to around a wall of the first through-hole.   
     
     
         19 . The manufacturing method of the display device as claimed in  claim 18 , wherein a light-shielding layer is disposed on a side of a base substrate near a liquid crystal layer. 
     
     
         20 . The manufacturing method of the display device as claimed in  claim 18 , wherein an alignment mark is disposed on the light-shielding region.